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    SVG Compression

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      Feature Overview

      Image compression is the process of downsizing an image as much as possible without sacrificing quality so that it can be stored at a lower cost and accessed more quickly.
      Based on CI, COS provides the SVG compression feature, which can delete certain redundant information from an SVG file without compromising the display effect in order to downsize the file.

      Restrictions

      Format: Only SVG images can be used as the input.
      Size: The input image cannot be larger than 32 MB.

      Directions

      COS provides the SVG compression feature using CI's imageMogr2 API.
      An image can be processed:
      Upon download
      Upon upload
      In cloud
      Note:
      SVG Compression is charged by CI at image advanced compression rates. For detailed pricing, see Image Processing Fees.

      API Format

      1. Processing upon download

      GET /<ObjectKey>?imageMogr2/format/svgc HTTP/1.1
      Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
      Date: <GMT Date>
      Authorization: <Auth String>

      2. Processing upon upload

      PUT /<ObjectKey> HTTP/1.1
      Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
      Date: GMT Date
      Authorization: Auth String
      Pic-Operations: 
      {
      "is_pic_info": 1,
      "rules": [{
          "fileid": "exampleobject",
          "rule": "imageMogr2/format/svgc"
      }]
      }
      Note:
      Pic-Operations is a JSON string. Its parameters are as described in Persistent Image Processing.

      3. Processing in-cloud data

      POST /<ObjectKey>?image_process HTTP/1.1
      Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
      Date: GMT Date
      Content-length: Size
      Authorization: Auth String
      Pic-Operations: 
      {
      "is_pic_info": 1,
      "rules": [{
          "fileid": "exampleobject",
          "rule": "imageMogr2/format/svgc"
      }]
      }
      Note:
      Authorization: Auth String. For more information, see Request Signature.
      When this feature is used by a sub-account, relevant permissions must be granted as instructed in Authorization Granularity Details.

      Parameters

      Parameter
      Description
      ObjectKey
      Object name, such as folder/sample.jpg.
      /format/<Format>
      Compression format, which is svgc
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